MGO Thermocouples · 2019-10-02 · ** Standard conductors are solid. For stranded conductors -...

Thermo Sensors Corporation Copyright 2013

www.thermosensors.com Page | 1

Address: P.O. Box 461947 Garland, TX 75046

Phone: 972-494-1566 Toll Free: 1-800-889-5478

Website: www.thermosensors.com

A Leading Manufacturer of Quality Thermocouple and RTD Assemblies Since 1972

MGO Thermocouples

Thermo Sensors MGO thermocouple insulation materials feature Cerampak. These MGO thermocouples are recommended where the thermocouple is immersed in liquids, high moisture, corrosive gases, or high pressures.

Cerampak is a densely compacted ceramic which is very versatile. This weldable and flexible material can withstand temperatures from cryogenic to 2300ºF as well as pressures from vacuum to 60,000 psi.

A wide variety of design, sheath material and diameter selections are available to suit application conditions. A variety of heads, connectors or flexible leads can be specified for the termination.

Please refer to our order guide to assist in determining your needs. We can also provide technical design assistance and application suggestions. Give us a call.

Introduction to MGO Thermocouples

Cerampak is a densely compacted ceramic insulated metal sheathed thermocouple material manufactured to exacting standards to assure unquestioned quality. These standards coupled with the latest fabrication techniques and equipment assure the customer of thermocouples of the highest quality. The versatility of this material is virtually unlimited - temperatures from cryogenic to 2300° F - pressures from vacuum to 60,000 psi.

The sheath wall thickness, diameter and installation directly determines the time response of the sensor. Proper selection of sheath material to withstand the temperature and other process governmental perimeters is imperative to provide maximum life of the sensor.

Cerampak is weldable, flexible - can be bent on a radius 2 times its diameter - and moisture free when fabricated.

Selection of various order code options from the tables on this and the following pages enables the customer to custom build a Cerampak assembly to satisfy his individual requirement.

Personnel to provide technical design assistance and application suggestions are available.

*Other materials for higher temperatures in special atmospheres are available.




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Cerampak Selection/Hot Junction Selections/Length of Sensor

Table 1

Sheath Diameter Order Code ANSI Calibration Order Code Sheath

Material

Order Code

Single Dual

020"

025"

032"

040"

3/32"

1/16"

1/8"

3/16"

1/4"

5/16"

3/8"

1/2"

020

025

032

040

093

1

2

3

4

5

6

8

Chromel/Constantan

Iron/ Constantan

Chromel/Alumel

Nicrosil/Nisil

Copper/Constantan

Plat 10% RH/Plat

Plat 13% RH/Plat

Plat 30% RH/PT 6% RH

E

J

K

N

T

S

R

B

2E

2J

2K

2N

2T

2S

2R

2B

304 St. St.

310 St. St.

316 St. St.

410 St. St.

446 St. St.

Inconel 600

Inconel 601

Incoloy 800

Tantalum

Platinum

Monel

Hastelloy "X"

Hastelloy "C"

Hastelloy "B"

Nickel

H2300

34

30

36

40

46

60

61

80

99

97

96

95

94

93

92

23

Notes: 1. For Premium Grade (Special Limits of Error) material; add "PG" to the calibration code.Example: 4KPG60

Table 2

Hot Junctions Order Code

Grounded G

Exposed E

Ungrounded U

Ungrounded and Isolated

(Dual - 4 Wire T/C only)

UI

Welding Pad* Horizontal Grounded P




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Welding Pad* Horizontal Ungrounded UP

Welding Pad* Ungrounded and isolated (Dual T/C only) UIP

Welding Pad* Vertical Grounded VP

Welding Pad* Vertical Ungrounded VU

Welding Pad* Vertical Ungrounded and Isolated (Dual T/C only) UVI

* 1" x 1" x 1/8" pad furnished. Stainless steel hold-down clips to secure the pad thermocouple horizontally to the process tube are available. (Fits 3/16" & 1/4" O.D. Sensor). Specify Part Number 101-4.

Table 3

Sensor Length

Refer to your selection of a Cold Junction Termination from Table 4 and specify required Length ("L").

Order Code: Specify "L" in Inches and Decimal Increments

http://thermosensors.com/thermocouples/cjt.htm




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Table 4

Connectors / Fittings Order Code

*For longer lengths; replace "3" with desired length.

B3*

1/2" npt x 1/2" npt SS Double threaded bushing brazed to

the sheath.

SB

1/2" NPT SS threaded bushing brazed to sheath.

FS4

1/2" NPT x 1/2" NPT SS Double threaded bushing spring-

loaded to sheath

SBS

Connectors Order Code

Standard male plug.

M (400 F)

HM (800 F)

Standard female jack.

F (400 F)

HF (800 F)

Dual male plug.

DM (400 F)

HDM (800 F)

Dual female jack.

DF (400 F)

HDF (800 F)

Miniature male plug.

(for sheath diameters 1/8" maximum)

TM (400 F)

HTM (800 F)

Miniature female jack.

(for sheath diameter 1/8" maximum)

TF (400 F)

HTF (800 F)




Phone: 972-494-1566 Toll Free: 1-800-889-5478



Table 4 continued

Extended Leads / Lead Terminations Order Code

20 AWG Wire Extension**

Fiberglass Insulation TG(X)*

Polyvinyl Insulation TP(X)*

Teflon Insulation TT(X)*

Kapton Insulation TK(X)*

Polyvinyl Insulation, Twisted, Alum-Mylar Sheilded w/ Drainwire Grounded to the sheath.

TPZD(X)*

20 AWG Wire Extension Inside

Stainless Steel Overbraid**

Fiberglass Insulation TGS(X)*

Polyvinyl Insulation TPS(X)*

Teflon Insulation TTS(X)*

Kapton Insulation TKS(X)*

20 AWG Wire Extension

inside stainless steel flexible tubing armor.**

Fiberglass Insulation TGA(X)*

Polyvinyl Insulation TPA(X)*

Teflon Insulation TTA(X)*

Kapton Insulation TKA(X)*

20 AWG Wire Extension

inside polyvinyl covered stainless steel flexible tubing armor.**

Fiberglass Insulation TGP(X)*

Polyvinyl Insulation TPP(X)*

Teflon Insulation TTP(X)*

Kapton Insulation TKP(X)*

* Replace (X) with desired length in inches. ** Standard conductors are solid. For stranded conductors - Specify by placing "F" in the order code before length. Example: TGSF36. (Not available for "TPZD" option). *** "DRIP loop" style T/C's are available in armored lead options. Choose head option in the hardware section and add head order code as a suffix to the complete part number.




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Table 4 continued Terminal Heads

Figure 1 T/C Assembly Without Process Fitting

Figure 2 T/C Assembly w/ 1/2" NPT Process Fitting

Figure 3 T/C Assembly w/ 1/2" NPT Spring Loaded Fitting




Phone: 972-494-1566 Toll Free: 1-800-889-5478



Table 4 continued




Phone: 972-494-1566 Toll Free: 1-800-889-5478



Table 5

Stainless Steel Adjustable Mounting Fittings

Compression Type (One time adjustable)

Metal Collets

Compression Type (Readjustable)

Teflon Collets

Mounting NPT Order Code Mounting NPT Order Code

1/8" NPT 1/4" NPT 3/8" NPT 1/2" NPT *3/4" NPT

1AS 2AS 3AS 4AS 6AS

1/8" NPT 1/4" NPT 3/8" NPT 1/2" NPT *3/4" NPT

1RS 2RS 3RS 4RS 6RS

*3/4" npt compression type fittings are supplied as smaller npt fittings bushed to 3/4" npt.Note: Fittings furnished may not have the same physical appearance as illustrated above, but will be functionally equal.

Extended Leads / Lead Terminations Order Code

Spade lugs for No. 8 screw. L

Male plug. M (400 F)

HM (800 F)

Female jack. F (400 F)

HF (800 F)

1/2" npt "BX" connector (not watertight).

BX

Water tight connector for condulet installation. (Neopren sealant).

1/2" npt W1

3/4" npt W3




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Miscellaneous Options

A) Bends: To specify a 90 bend along the "L" length;

Add "- 90 B (Length from Tip) Example: 90 B8 for a 90° bend 8" from tip.

B) High Temp Potting: To specify a higher temperature than the 300° F. rated material in the transition,

Add the following suffix: For 400° F Epoxy: -EII

For 1000° F Cement: -HTC

C) Adjustable spring "FP-275" Order Code FP 275

D) Adjustable spring loaded fitting Order Code SSL

E) Adjustable spring-loaded fitting Order Code FP 240

MGO Thermocouples · 2019-10-02 · ** Standard conductors are solid. For stranded conductors -...

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